1. Xi’an Jiaotong University, School of Electronics and Information Engineering, Key Laboratory for Physical Electronics and Devices of the Ministry of Education and Shaanxi Key Lab of Information Photonic Technique, No. 28, Xianning West Road, Xi’an 710049,
2. Le Quy Don Technical University, Lab of Advanced Technology, No. 100, Hoang Quoc Viet Street, Hanoi 7EN-248, Vietnam